STTY.1
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上传日期:2007-02-01
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操作系统开发
开发平台:
C/C++
- .TH STTY 1
- .SH NAME
- stty - set terminal parameters
- .SH SYNOPSIS
- .de SP
- .if t .sp 0.4
- .if n .sp
- ..
- .in +4n
- .ti -4n
- .B stty
- .RB [ -ag]
- .SP
- .ti -4n
- .B stty
- .I encoded-form
- .SP
- .ti -4n
- .B stty
- .I speed
- .B ispeed
- .I speed
- .B ospeed
- .I speed
- .B "cs5 cs6 cs7 cs8"
- .RB [ - ] parenb
- .RB [ - ] parodd
- .RB [ - ] hupcl
- .RB [ - ] cstopb
- .RB [ - ] cread
- .RB [ - ] clocal
- .RB [ - ] ignbrk
- .RB [ - ] brkint
- .RB [ - ] ignpar
- .RB [ - ] parmrk
- .RB [ - ] inpck
- .RB [ - ] istrip
- .RB [ - ] inlcr
- .RB [ - ] igncr
- .RB [ - ] icrnl
- .RB [ - ] ixon
- .RB [ - ] ixoff
- .RB [ - ] ixany
- .RB [ - ] opost
- .RB [ - ] onlcr
- .RB [ - ] xtabs
- .RB [ - ] onoeot
- .RB [ - ] isig
- .RB [ - ] icanon
- .RB [ - ] iexten
- .RB [ - ] echo
- .RB [ - ] echoe
- .RB [ - ] echok
- .RB [ - ] echonl
- .RB [ - ] noflsh
- .RB [ - ] lflusho
- .BR eof =fIc
- .BR eol =fIc
- .BR erase =fIc
- .BR erase =fIc
- .BR intr =fIc
- .BR kill =fIc
- .BR quit =fIc
- .BR susp =fIc
- .BR start =fIc
- .BR stop =fIc
- .BR rprnt =fIc
- .BR lnext =fIc
- .BR flush =fIc
- .BR min =fIn
- .BR time =fIn
- .B rows
- .I n
- .B cols
- .I n
- .B cooked
- .B raw
- .RB [ - ] evenp
- .RB [ - ] parity
- .RB [ - ] oddp
- .RB [ - ] nl
- .B ek
- .B sane
- .in -4n
- .SH DESCRIPTION
- .B Stty
- shows or changes the parameters of the terminal connected to standard input.
- .B Stty
- takes a myriad of arguments most of which are mapped directly to
- the flags and special characters described in
- .BR tty (4),
- so we won't describe them here.
- .PP
- .B Stty
- has three forms of operation. First, without any arguments
- .B stty
- shows all terminal attributes that are different from the default state.
- Option
- .B -a
- makes
- .B stty
- print all terminal attributes, and
- .B -g
- lets
- .B stty
- print the attributes in a special encoded form, a simple row of colon separated
- hexadecimal numbers.
- .PP
- In the second form of operation
- .B stty
- takes an encoded form as produced by the
- .B -g
- option and sets the terminals attributes to its decoded value.
- .PP
- In the third form
- .B stty
- interprets a series of flags and parameters settings and modifies the
- terminal attributes accordingly. Flags can be given as
- .B icanon
- or
- .B -icanon
- for instance, either setting or clearing the
- .B ICANON
- flag.
- Special character values can by set like
- .B "intr=^C"
- for example, which sets the interrupt character to CTRL-C. You can either
- use a real CTRL-C, or the two characters `^' and `C'. In any case
- it is probably necessary to use quotes to guard it from the shell:
- .BR "intr='^C'" .
- .PP
- A number alone is interpreted as a baud rate setting for both the input and
- output rate. The input or the output rate can be set separately with use
- of the
- .B ispeed
- and
- .B ospeed
- prefixes to the number. The character size can be set with
- .BR cs5 ,
- .BR cs6 ,
- .BR cs7
- or
- .BR cs8 .
- .PP
- The
- .B MIN
- and
- .B TIME
- value, and the number of rows and columns of the window can also be set using
- one of the keywords
- .BR min ,
- .BR time ,
- .BR rows
- or
- .BR cols ,
- followed by a decimal number that is the value of the setting.
- .PP
- .B Stty
- accepts several keywords that are not named by corresponding flags or
- parameters in
- .BR tty (4).
- They set several attributes at once:
- .TP
- .B cooked
- Same as
- .BR "icrnl ixon opost onlcr isig icanon iexten echo" ,
- setting all the attributes that are needed for line oriented mode.
- .TP
- .B raw
- Same as
- .BR "-icrnl -ixon -opost -onlcr -isig -icanon -iexten -echo" ,
- setting all the attributes for a raw data channel.
- .TP
- .B evenp parity
- These synonyms are equal to
- .BR "cs7 parenb -parodd" ,
- setting the line to 7 bits even parity.
- .TP
- .B oddp
- Same as
- .BR "cs7 parenb parodd" ,
- setting the line to 7 bits odd parity.
- .TP
- .B "-parity -evenp -oddp"
- All synonyms for
- .BR "cs8 -parenb" ,
- setting the line to 8 bits, no parity.
- .TP
- .B nl
- Same as
- .BR icrnl ,
- setting carriage return to line feed input translation.
- .TP
- .B -nl
- Same as
- .BR "-icrnl -inlcr -igncr" ,
- disabling any carriage return or line feed handling.
- .TP
- .B ek
- Set the
- .B ERASE
- and
- .B KILL
- special characters back to the default.
- .TP
- .B sane
- Set all attributes to the default except things like the line speed and
- parity, because their "sane" value is probably what it is right now.
- The default values are compiled into
- .B stty
- from the <termios.h> include file. Use
- .B "stty sane; stty -a"
- to know what they are.
- .SH FILES
- .TP 15n
- .B /etc/ttytab
- The
- .B init
- field of this file may contain an
- .B stty
- command to set the attributes to match an attached RS232 terminal or modem.
- .SH "SEE ALSO"
- .BR tty (4),
- .BR ttytab (5).
- .SH NOTES
- The
- .BR cooked ,
- .BR raw ,
- .BR rows
- and
- .BR cols
- keywords are Minix additions beyond the keywords defined by POSIX.
- .B Rows
- and
- .B cols
- are common UNIX extensions, however.
- There are more Minix specific flags that match the Minix specific attributes
- described in
- .BR tty (4).
- .SH AUTHOR
- Kees J. Bot (kjb@cs.vu.nl)